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Crystal structure of the medaka fish taste receptor T1r2a-T1r3 ligand binding domains in complex with L-glutamine External Resource: Annotation Chains Domain Info Class Fold Superfamily Family Domain Species Provenance Source (Version) H [auth K] d5x2mk2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches Mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) H [auth K] d5x2mk1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches Mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) F [auth L] d5x2ml2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches Mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) F [auth L] d5x2ml1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches Mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) G [auth J] d5x2mj_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches Mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) E [auth H] d5x2mh_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches Mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) D d5x2md1 Alpha and beta proteins (a/b) Periplasmic binding protein-like I Periplasmic binding protein-like I automated matches automated matches Japanese rice fish (Oryzias latipes ) [TaxId: 8090 ], SCOPe (2.08) B d5x2mb_ Alpha and beta proteins (a/b) Periplasmic binding protein-like I Periplasmic binding protein-like I automated matches automated matches Japanese rice fish (Oryzias latipes ) [TaxId: 8090 ], SCOPe (2.08) C d5x2mc_ Alpha and beta proteins (a/b) Periplasmic binding protein-like I Periplasmic binding protein-like I automated matches automated matches Japanese rice fish (Oryzias latipes ) [TaxId: 8090 ], SCOPe (2.08) A d5x2ma_ Alpha and beta proteins (a/b) Periplasmic binding protein-like I Periplasmic binding protein-like I automated matches automated matches Japanese rice fish (Oryzias latipes ) [TaxId: 8090 ], SCOPe (2.08)
Chains Type Family Name Domain Identifier Family Identifier Provenance Source (Version) D SCOP2 Family Metabotropic glutamate receptor, ligand-binding domain-like 8078810 4007730 SCOP2 (2022-06-29) D SCOP2 Superfamily Type 1 solute binding protein-like 8078811 3000125 SCOP2 (2022-06-29) B SCOP2B Superfamily Type 1 solute binding protein-like 8078811 3000125 SCOP2B (2022-06-29) C SCOP2B Superfamily Type 1 solute binding protein-like 8078813 3000125 SCOP2B (2022-06-29) A SCOP2B Superfamily Type 1 solute binding protein-like 8078813 3000125 SCOP2B (2022-06-29)
Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) H [auth K] Sulfatase,SGSH_C e5x2mK1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2) F [auth L] Sulfatase,SGSH_C e5x2mL1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2) G [auth J] Sulfatase,SGSH_C e5x2mJ1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2) E [auth H] Sulfatase,SGSH_C e5x2mH1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2) D Sulfatase,SGSH_C e5x2mD1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2) B Sulfatase,SGSH_C e5x2mB1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2) C Sulfatase,SGSH_C e5x2mC1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2) A Sulfatase,SGSH_C e5x2mA1 A: alpha arrays X: HTH H: HAMP domain T: HAMP domain F: Sulfatase,SGSH_C ECOD (v295.2)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source F [auth L] ,H [auth K] Light Chain IGKV3 Kappa taste receptor, type 1, member 2a, taste receptor, type 1, member 2a | taste receptor, type 1, member 3 SAbDab (2026-09-25) E [auth H] ,G [auth J] Heavy Chain IGHV1 - taste receptor, type 1, member 2a, taste receptor, type 1, member 2a | taste receptor, type 1, member 3 SAbDab (2026-09-25)
Chains Polymer Molecular Function Biological Process Cellular Component F [auth L] ,H [auth K] Fab16A Light chain - - - E [auth H] ,G [auth J] Fab16A Heavy chain - - - Taste receptor, type 1, member 3 Taste receptor, type 1, member 2a
Chains Accession Name Type IPR017978 GPCR family 3, C-terminal Domain IPR011500 GPCR, family 3, nine cysteines domain Domain IPR028082 Periplasmic binding protein-like I Homologous Superfamily IPR000337 GPCR, family 3 Family IPR000068 GPCR, family 3, extracellular calcium-sensing receptor-related Family IPR038550 GPCR, family 3, nine cysteines domain superfamily Homologous Superfamily IPR001828 Receptor, ligand binding region Domain IPR017978 GPCR family 3, C-terminal Domain IPR011500 GPCR, family 3, nine cysteines domain Domain IPR028082 Periplasmic binding protein-like I Homologous Superfamily IPR000337 GPCR, family 3 Family IPR000068 GPCR, family 3, extracellular calcium-sensing receptor-related Family IPR038550 GPCR, family 3, nine cysteines domain superfamily Homologous Superfamily IPR001828 Receptor, ligand binding region Domain